331results about "Air cooling" patented technology

A compact work machine, such as a compact track loader and / or a compact utility loader, which can carry and operate a wide range of attachments while maintaining a reduced operating footprint.

The application discloses a kind of air-cooled diesel generating set, specifically relates to the technical field of generator, including base, the diesel generating equipment is slidably connected with the upper end of base by slide rail, the fan in the dustproof dehumidification structure inner cavity is fixedly connected with the output rotor front end of diesel generating equipment, the inner surface of shielding box is provided with air duct structure, and the dustproof dehumidification structure is provided in the front of the inner surface of shielding box.The air-cooled diesel generating set of the application is removed by setting dehumidification component for removing moisture in inhaled air, reduce the corrosion of moisture to internal parts;Further, dust and particles in inhaled air are separated by the action of dust removal component, the entry of large-particle dust is reduced, dust on the cooling fin can also be periodically cleaned by automatic cleaning in dust removal component, to ensure the air intake;Air flow efficiency is improved by the action of air duct structure, the heat dissipation area is increased, the heat dissipation effect is enhanced, and the performance decline and safety hazards caused by overheating are avoided.

The invention provides a cooling air duct structure and a generator set. The cooling air duct structure comprises a power body, a first shell, a motor body, a second impeller, a second shell, a silencer body and a third shell. The first shell is arranged on the rear side of the power body, and the motor body and the second impeller are both installed in the first shell. The silencer body and the third shell are both arranged in the second shell, the third shell is arranged outside the silencer body in a surrounding mode, a first exhaust channel is formed between the third shell and the silencer body, and one end of the first exhaust channel is communicated with the second cavity. By reasonably arranging the third shell, the third shell is arranged outside the silencer body in a surrounding mode and forms the first exhaust channel, airflow after cooling the motor body can only enter the first exhaust channel, cooling airflow can directly and fully exchange heat with the silencer body when flowing through the first exhaust channel, and therefore heat of the silencer body is rapidly taken away, and the service life of the silencer body is prolonged. In this way, the cooling effect on the silencer body is greatly improved.

A working machine includes a machine body, a prime mover on the machine body, at least one cooling device provided at one side of the prime mover, a shroud to guide a cooling air flow for cooling the at least one cooling device, and a partition plate to separate a prime mover room to house the prime mover from an area where the at least one cooling device is provided. The partition plate includes an opening to allow the shroud to extend therethrough and a mounting portion at which the shroud, which extends through the opening, is attached to the partition plate.

The invention belongs to the technical field of power generation equipment, and discloses a silent container type methanol self-power-generation charging device which comprises a box type container, shutters are installed on the two sides of the box type container correspondingly, adsorption assemblies are arranged on the sides, installed in the box type container, of the two shutters correspondingly, and each adsorption assembly comprises an adsorption plate arranged on one side of the corresponding shutter. The top of the adsorption plate is provided with a drainage assembly, the bottom of the adsorption plate is provided with a base, the base is fixedly installed in the box-type container, one side of the adsorption plate is provided with a filter plate, the drainage assembly comprises a compression roller arranged at the top of the adsorption plate, and the two ends of the compression roller are both provided with sliding blocks. Water vapor sucked into gas in the box type container can be adsorbed through the adsorption plate, the problems of short circuit, corrosion and the like caused by the fact that equipment is possibly affected with damp due to the fact that a large amount of water vapor carried by external air enters the container in rainy days are solved, and the service life and reliability of the equipment can be guaranteed by absorbing the water vapor through the adsorption plate.

This invention relates to a generator powered by an internal combustion engine, and discloses a generator including a stator and rotor unit, an engine, a controller, and a muffler. It also includes a cooling shroud with a first air inlet, inside which a cooling fan is disposed. The cooling fan is linked to the engine. The cooling shroud has a first air outlet facing the muffler and a second air outlet facing the controller. This invention solves the problem of power reduction that often occurs in existing generators.

The noise reduction device for the diesel engine comprises a base, the diesel engine is fixedly installed on the base, a noise reduction cover is fixedly installed on the base and covers the outer side of the diesel engine, and an output shaft receding hole is formed in the noise reduction cover in a penetrating mode and right faces an output shaft of the diesel engine. An exhaust pipe receding hole is formed in the position, right opposite to an exhaust pipe of the diesel engine, of the base. A plurality of air inlet pipes are fixedly installed at the lower end of the silencing cover in the circumferential direction, the outer ends of the air inlet pipes are connected through an air inlet ring, and a plurality of air inlet holes are formed in the two sides of the air inlet ring. A plurality of air outlet pipes are fixedly installed on the silencing cover and located above the air inlet pipe, the outer ends of the air outlet pipes are connected through a pipeline, the pipeline is connected with an exhaust fan through an exhaust pipe, and the exhaust fan is fixedly installed on the silencing cover. The noise reduction device for the diesel engine has the advantages of being simple in structure, high in heat dissipation efficiency and convenient to use.

A compact work machine, such as a compact track loader and / or a compact utility loader, which can carry and operate a wide range of attachments while maintaining a reduced operating footprint.

The utility model discloses a box body and motorcycle engine, the box body comprises a casing and a delivery pipe arranged in the casing, the delivery pipe is arranged from wide to narrow, the wider end of the delivery pipe is fixedly provided with an air inlet hopper, the other end of the delivery pipe is communicated with the inside of the casing, a silencer is fixedly installed at the end, away from the air inlet hopper, of the conveying pipe and used for silencing of the air whistle, and internal threads are arranged on the inner side of the air inlet hopper. Flowing air making contact with a vehicle body in the moving process can be sucked in through the conveying pipe, so that the air is conveyed into the shell, parts in the shell are cooled, meanwhile, the inner diameter of the conveying pipe is gradually narrowed, the flowing speed of the air can be increased, the air inlet hopper is arranged at one end of the conveying pipe, and the air inlet hopper is arranged at the other end of the conveying pipe. In addition, by means of the silencer, the air whistle generated at the outlet can be eliminated to the maximum degree, and therefore the mute effect is achieved.

A compact work machine, such as a compact track loader and / or a compact utility loader, which can carry and operate a wide range of attachments while maintaining a reduced operating footprint.

A thermal management system for transferring heat between fluids includes a heat transfer bus through which a heat exchange fluid flows. Furthermore, the system includes a heat source heat exchanger arranged along the bus such that heat is added to the fluid flowing through the heat source heat exchanger. Furthermore, the system includes a plurality of radiator heat exchangers arranged along the bus such that heat is removed from the fluid flowing through the plurality of radiator heat exchangers. Furthermore, the system includes a bypass conduit fluidically coupled to the bus such that the bypass conduit allows the fluid to bypass one of the heat source heat exchangers or one of the radiator heat exchangers. Furthermore, the system includes a valve configured to control the flow of the fluid through the bypass conduit based on the pressure of the fluid within the bus.

The utility model discloses a closed generator which comprises a shell, the shell is provided with an air inlet window, a power unit, a power generation unit, a first cooling fan and a silencer unit are arranged in the shell, a first wind scooper covering the outer sides of the power unit and the first cooling fan is arranged in the shell, and a second wind scooper covering the outer sides of the power unit and the first cooling fan is arranged in the shell. The first wind scooper is provided with an air inlet matched with the first cooling fan, a second wind scooper covering the outer side of the silencer unit is arranged in the shell, the air inlet end of the second wind scooper is communicated with the first wind scooper, the air outlet end of the second wind scooper is communicated with the outside of the shell, and a heat insulation cavity is formed between the first wind scooper and the shell. The first wind scooper is provided with a first air outlet matched with the first cooling fan and communicated with the heat insulation cavity, and the shell is provided with a second air outlet used for communicating the heat insulation cavity with the outside of the shell. According to the scheme, the problem that in the prior art, the temperature of a shell of a closed generator is prone to being too high is solved.

To provide a more efficient gas-liquid separation structure. [Solution] The gas-liquid separation structure 1 receives the inflow of coolant C returning from the target element and includes a branching joint 10 for branching and discharging the inflowed coolant C to the target element and other elements. The branching joint 10 includes a body 100 having an elongated internal space S in the vertical direction D, a first inflow section 111 that allows the coolant C returning from the target element to flow into the internal space S from a first opening H1, a first discharge section 121 that discharges the coolant C that has flowed in from the first opening H1 and circulated downward through the internal space S from a second opening H2 located below the first opening H1, and a second discharge section 122 that discharges the coolant C that has been introduced from the first opening H1 and circulated upward through the internal space S from a third opening H3.

The amphibious heat dissipation device and the amphibious power system for the transmission comprise a first heat dissipation unit, the first heat dissipation unit comprises a fan heat dissipation mechanism, the fan heat dissipation mechanism comprises a first heat dissipation device, and the amphibious heat dissipation device further comprises an oil cooler externally connected with the transmission; a cooling liquid outlet of the first engine is sequentially connected in series with the oil cooler and the first radiator and is circularly connected to a cooling liquid inlet of the first engine; the first heat dissipation unit further comprises a first air cooling assembly connected with a first engine in a circulating mode, a first fuel oil cooler and a first water tank, and the fan heat dissipation mechanism further comprises a second heat dissipation device. An outlet of the first water tank is sequentially connected with the first air cooling assembly, the first fuel cooler and the second radiator in series and is circularly connected to an inlet of the first water tank. By means of reasonable arrangement of component structures, switching of cooling units in waterway driving is achieved, cooling efficiency is higher and heat dissipation performance is better by means of low temperature of seawater / river water during overwater driving, and the effect that the navigational speed of the system on water exceeds 80 km / h and reaches the advanced speed in the world is achieved.

A runner plate assembly includes an isolation portion, a first plate and a second plate stacked together, the first plate having a first surface and a first groove, the first groove being recessed from the first surface in a direction away from the second plate; the second plate is provided with a second surface and a second groove, and the second groove is sunken from the second surface in the direction away from the first plate; wherein the first surface is arranged to be connected with the second surface, so that the first groove and the second groove intersect to define an intersection area; the isolation part is formed in the intersection area so as to isolate the fluid in the first groove from the fluid in the second groove.

The invention discloses an oxygen concentration control method and system for an engine, and belongs to the technical field of engine power systems.The method comprises the steps that the current intake oxygen concentration, the current operation rotating speed and the current intake manifold pressure of the engine are collected; generating a target parameter correction instruction based on the current intake oxygen concentration, the current operation rotating speed, the current intake manifold pressure and a pre-constructed pulse spectrogram; and based on the target parameter correction instruction and a preset operation rotating speed fluctuation range threshold value, the engine is controlled to operate stably. According to the scheme, the intake oxygen concentration, the operation rotating speed and the intake manifold pressure of the engine are combined with the pulse spectrogram calibrated under the target oxygen concentration and the target air-fuel ratio, dynamic regulation and control of the operation parameters of the engine and closed-loop correction of the combustion state are achieved, the intake oxygen concentration and the air-fuel ratio of the engine can be accurately and stably controlled, and the engine efficiency is improved. And it is guaranteed that efficient and stable combustion of fuel oil of the engine can be achieved under different working conditions.

The invention relates to a housing part (18) for a control unit housing. The housing part (18), made of a metal alloy, has a plurality of cooling fins (20) projecting from a base region (23) of the housing part (18). A space is formed between adjacent cooling fins (20) into which a cooling airflow can be introduced. At least one of the cooling fins (20) has at least one contact point to which an ejector element can be attached to at least assist in releasing the housing part (18) from a molded part of a casting tool. The at least one contact point is designed as a flat portion (38) of a vertex (40) of the cooling fin (20). A width (44) of the flat sub-area (38) is essentially equal to a thickness of the cooling fin (20) which the cooling fin (20) has at least in an end region of the cooling fin (20) near the apex (40).Furthermore, the invention relates to a housing for a control unit, a control unit and a method for manufacturing the housing part (18).

The utility model relates to the technical field of vehicles, and discloses a cooling system and a vehicle, and the cooling system is used for cooling a control module; comprising a protection box in which a protection chamber and a cooling chamber are formed; the control module is arranged in the protection chamber; the protection box comprises a first plate body, and the first plate body is arranged between the protection cavity and the cooling cavity; the protection box further comprises an air inlet and an air outlet, and the air inlet and the air outlet are communicated with the cooling cavity. One end of the cooling pipeline communicates with the air outlet, and the other end of the cooling pipeline communicates with an air inlet pipeline of the engine. According to the cooling system provided by the utility model, the protection box is arranged, and the protection chamber and the cooling chamber are formed in the protection box; the control module is arranged in the protection cavity, the cooling pipeline is communicated with the air inlet pipeline of the engine, the control module can be cooled, meanwhile, the safety protection effect on the control module can be achieved, and silt or dust or water in the environment is prevented from entering the control module.

A motor unit, particularly for operating machines, comprising an internal combustion engine provided with a cooling system that comprises a first heat exchanger fluidically connected to a cooling circuit obtained in said motor, and ventilation means adapted to generate an air flow through the first heat exchanger; the motor being further provided with a supercharging system that comprises a turbine mounted along an exhaust duct, a compressor mounted along a suction duct and a second heat exchanger placed along the suction duct, downstream of said compressor. The motor unit is characterized in that it comprises fluid conveying means adapted to make a flow of cooling air pass through the second heat exchanger, such flow being generated by the ventilation means.

To provide a vehicle control device capable of suppressing overheat of a portion exposed to the outside of an exhaust pipe in an exhaust temperature sensor.SOLUTION: A vehicle control device 130 controls an electric fan 43 for taking the outside air into an engine compartment. The vehicle control device 130 acquires an exhaust temperature detected by an exhaust temperature sensor 200 mounted on an exhaust pipe 17 of an engine, and a vehicle speed detected by a vehicle speed sensor 140. The vehicle control device 130 includes a processing circuit 131. The processing circuit 131 executes temperature estimation processing for calculating an estimated temperature of a screw part 230 of the exhaust temperature sensor 200 on the basis of the exhaust temperature and the vehicle speed. Also, the processing circuit 131 executes air blowing processing for operating the electric fan 43 in the case where the estimated temperature is equal to or greater than a threshold value when the vehicle speed falls below a determination vehicle speed.SELECTED DRAWING: Figure 2

The present invention relates to a controlled flap system (1) comprising two groups (10a, 10b) of flaps (100), each group (10a, 10b) of flaps (100) being capable of an open position (p1) and a closed position (p2), characterized in that the controlled flap system (1) further comprises an actuator (11) configured to bring one group (10a) of the groups (10a, 10b) of flaps (100) into the open position (p1) before the other group (10b) of the groups (10a, 10b) of flaps (100).

In a pneumatic tire roller (1A), a heat exchanger (100) is disposed in front of a driver's seat (8) and at the rear of an engine compartment (70) (equipment housing compartment), a cooling fan (26f) is disposed in front of the heat exchanger (100), an engine (22) (prime mover) is disposed in front of the cooling fan (26f), and a hydraulic pump (25) is disposed in front of the engine (22). An upper surface (72), which is a cover part, is formed obliquely downward from the rear part of the engine compartment (70) toward the front part of the engine compartment (70). According to the structure, the cover part (upper surface (72)) of the engine room (70) can be inclined downwards from the rear part to the front part without lowering the installation position of the heat exchanger (100). As a result, it is possible to suppress a decrease in the capacity of the water tank (30) disposed below the engine compartment (70), and to ensure the visibility of the driver to the obliquely lower front side of the vehicle body (2).

The invention provides a heat dissipation device and a vehicle. The heat dissipation device comprises a fan and a fan cover, the air inlet side faces a radiator, the air outlet side comprises a first part and a second part which deviate from the radiator, the fan cover covers the first part, the second part communicates with the outside, a first air guide structure is arranged on the fan cover, and the first air guide structure is provided with an air outlet; the fan is configured to drive external air flow to perform heat exchange through the radiator, and the first air guide structure is configured to perform air flow on air flow blown out by the fan, so that the air flow after heat exchange is discharged through the air outlet and the second part; the air outlet is located in at least part of the peripheral area of the second part and used for disturbing air flow exhausted through the second part. According to the air conditioner, turbulent flow can be formed for mainstream air directly exhausted by the fan, the probability that hot air makes contact with passengers is reduced, and the driving comfort is remarkably improved.

A construction machine (100) is provided with: a hydrogen tank (31) for storing hydrogen; a heat exchanger (33) for exchanging heat with cooling air (CA); an electronic device (34) for operating the construction machine (100); and a machine room (14). In the machine chamber (14), the hydrogen tank (31) is disposed above the electronic device (34) and upstream of the heat exchanger (33) in the flow direction of the cooling air (CA).

The invention relates to a cooling device and engineering machinery comprising the same. A cooling device that cools an engine compartment, the temperature of which is increased by operation of an engine disposed in the engine compartment, includes: a fan that discharges air in the engine compartment to the outside; the radiator is used for allowing air of the engine room driven by the fan to pass through; and a backflow prevention part which is arranged at an interval from the fan by taking the radiator as the center so as to prevent the backflow of the air caused by the fan.

The air inlet duct comprises an air inlet duct box body with openings in the left end and the right end, the opening in the left end of the air inlet duct box body serves as an air inlet and is fixedly connected with a vehicle body through bolts, and the opening in the right end of the air inlet duct box body serves as an air outlet and is connected with an air inlet of the air-cooled diesel engine through a connecting flange. The air inlet duct box body is formed by welding a flange plate on the left side, a top plate on the top, an arc plate at the bottom, a front side plate, a rear side plate and a right side plate, the right side plate is formed by welding a transition plate on the upper portion and a connecting plate on the lower portion, a first opening in the flange plate serves as an air inlet, and a second opening in the connecting plate serves as an air outlet. The anti-rust aluminum plate is formed by bending and welding seven anti-rust aluminum plates with the thickness of 2mm, the weight of the anti-rust aluminum plate is only 1.65 kg, and the anti-rust aluminum plate has the advantages of being light in weight, reasonable in trend, capable of avoiding turning, capable of reducing pipeline resistance and good in sealing performance.

An exhaust gas aftertreatment device (14) for treating exhaust gas discharged from an engine (10) is provided with a first processing unit (15) connected to the exhaust gas outflow side of an exhaust pipe (11), a second processing unit (16) connected to the exhaust gas outflow side of the first processing unit (15), and a third processing unit (17) connected to the exhaust gas outflow side of the second processing unit (16). A tail pipe (20) is connected to the exhaust gas outflow side of the third processing unit (17), the first processing unit (15) and the second processing unit (16) are arranged in the vertical direction, and the third processing unit (17) is disposed at a height position between the first processing unit (15) and the second processing unit (16).

The application discloses a mute box for a diesel generating set, and relates to the technical field of power generation equipment, which comprises a diesel generator and a mute box, the diesel generator is arranged in the mute box, both ends of the mute box are provided with air inlets, one side of the mute box is provided with a plurality of air outlets, an exhaust fan is arranged in the mute box and located in the air outlet, a ventilation door is rotatably arranged on the other side of the mute box, an electric push rod is arranged in the mute box, the extension end of the electric push rod is connected with the ventilation door and is used for driving the ventilation door to open or close, and a dustproof mute cover for an organ is arranged in the mute box and connected with the ventilation door. When the temperature in the mute box is too high, the electric push rod drives the ventilation door to open, the ventilation door drives the dustproof mute cover for an organ to open, the opening of the ventilation door increases the air inlet amount of the mute box, the air circulation efficiency in the mute box is improved, and therefore the heat dissipation effect of the diesel generating set is improved.